Portion of a shoe upper



FIG. 1 is a perspective view of a portion of a shoe upper showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a perspective view of a portion of a shoe upper showing a second embodiment of my new design;

FIG. 5 is a side view of the portion of a shoe upper of FIG. 4; and,

FIG. 6 is a top view of the portion of a shoe upper of FIG. 4.

The broken line showing of the remainder of the shoe is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a shoe upper, as shown and described. 